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/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
*
* SPDX-License-Identifier: MPL-2.0
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, you can obtain one at https://mozilla.org/MPL/2.0/.
*
* See the COPYRIGHT file distributed with this work for additional
* information regarding copyright ownership.
*/
#pragma once
#if HAVE_STDATOMIC_H
#include <stdatomic.h>
#else
#include <isc/stdatomic.h>
#endif
#include <isc/util.h>
/*
* We define a few additional macros to make things easier
*/
/* Relaxed Memory Ordering */
#define atomic_store_relaxed(o, v) \
atomic_store_explicit((o), (v), memory_order_relaxed)
#define atomic_load_relaxed(o) atomic_load_explicit((o), memory_order_relaxed)
#define atomic_fetch_add_relaxed(o, v) \
atomic_fetch_add_explicit((o), (v), memory_order_relaxed)
#define atomic_fetch_sub_relaxed(o, v) \
atomic_fetch_sub_explicit((o), (v), memory_order_relaxed)
#define atomic_fetch_or_relaxed(o, v) \
atomic_fetch_or_explicit((o), (v), memory_order_relaxed)
#define atomic_fetch_and_relaxed(o, v) \
atomic_fetch_and_explicit((o), (v), memory_order_relaxed)
#define atomic_exchange_relaxed(o, v) \
atomic_exchange_explicit((o), (v), memory_order_relaxed)
#define atomic_compare_exchange_weak_relaxed(o, e, d) \
atomic_compare_exchange_weak_explicit( \
(o), (e), (d), memory_order_relaxed, memory_order_relaxed)
#define atomic_compare_exchange_strong_relaxed(o, e, d) \
atomic_compare_exchange_strong_explicit( \
(o), (e), (d), memory_order_relaxed, memory_order_relaxed)
#define atomic_compare_exchange_strong_acq_rel(o, e, d) \
atomic_compare_exchange_strong_explicit( \
(o), (e), (d), memory_order_acq_rel, memory_order_acquire)
/* Acquire-Release Memory Ordering */
#define atomic_store_release(o, v) \
atomic_store_explicit((o), (v), memory_order_release)
#define atomic_load_acquire(o) atomic_load_explicit((o), memory_order_acquire)
#define atomic_fetch_add_release(o, v) \
atomic_fetch_add_explicit((o), (v), memory_order_release)
#define atomic_fetch_sub_release(o, v) \
atomic_fetch_sub_explicit((o), (v), memory_order_release)
#define atomic_fetch_and_release(o, v) \
atomic_fetch_and_explicit((o), (v), memory_order_release)
#define atomic_fetch_or_release(o, v) \
atomic_fetch_or_explicit((o), (v), memory_order_release)
#define atomic_exchange_acq_rel(o, v) \
atomic_exchange_explicit((o), (v), memory_order_acq_rel)
#define atomic_fetch_sub_acq_rel(o, v) \
atomic_fetch_sub_explicit((o), (v), memory_order_acq_rel)
#define atomic_compare_exchange_weak_acq_rel(o, e, d) \
atomic_compare_exchange_weak_explicit( \
(o), (e), (d), memory_order_acq_rel, memory_order_acquire)
#define atomic_compare_exchange_strong_acq_rel(o, e, d) \
atomic_compare_exchange_strong_explicit( \
(o), (e), (d), memory_order_acq_rel, memory_order_acquire)
/* compare/exchange that MUST succeed */
#define atomic_compare_exchange_enforced(o, e, d) \
RUNTIME_CHECK(atomic_compare_exchange_strong((o), (e), (d)))
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